9438009 has 16 divisors (see below), whose sum is σ = 15228288. Its totient is φ = 5075712.

The previous prime is 9438001. The next prime is 9438017. The reversal of 9438009 is 9008349.

It is an interprime number because it is at equal distance from previous prime (9438001) and next prime (9438017).

It is not a de Polignac number, because 9438009 - 2³ = 9438001 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9438001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12862 + ... + 13575.

It is an arithmetic number, because the mean of its divisors is an integer number (951768).

Almost surely, 2^9438009 is an apocalyptic number.

It is an amenable number.

9438009 is a deficient number, since it is larger than the sum of its proper divisors (5790279).

9438009 is a wasteful number, since it uses less digits than its factorization.

9438009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26464.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 9438009 is about 3072.1342744092. The cubic root of 9438009 is about 211.3295017223.

The spelling of 9438009 in words is "nine million, four hundred thirty-eight thousand, nine".